1. a person who officially agrees to or accepts something, such as a document, plan, or request
2. a person who expresses approval or support for someone or something
3. in law, a criminal who testifies against accomplices in exchange for leniency
Usage: archaic; legal

Examples

• The project manager is the final approver of all budget requests.
• As an approver of the new policy, she signed off on the changes.
• The bank's loan approver reviewed the application carefully.
• He was an approver of the candidate's qualifications.
• Multiple approvers must sign the contract before it becomes valid.